     (fn []
       [:div
        [modal-button
-        "5.1. CPU-M Modify EDN in steps (unchunked)"
-        #(modal-multi-chunk-runner
-          mwi-steps-2
-          [0 progress-msg progress-percent ui-updated?]
-          calculating?)]
+        :label    "5.1. CPU-M Modify EDN in steps (unchunked)"
+        :on-click #(modal-multi-chunk-runner
+                    mwi-steps-2
+                    [0 progress-msg progress-percent ui-updated?]
+                    calculating?)]
        (when @calculating?
          [mwi-steps-modal-2
           progress-msg

    (fn []
      [:div
       [modal-button
        "1. I/O Load url"
        #(do
           (reset! loading? true)
           (load-url url loading?))]
       (when @loading?
         [loading-url-modal url loading?])
       ])

    (fn []
      [:div
       [modal-button
        :label   "5.1. CPU-M Modify EDN in steps (unchunked)"
        :on-click #(modal-multi-chunk-runner
                    mwi-steps
                    [0]
                    calculating?)]
       (when @calculating?
         [mwi-steps-modal
          mwi-steps-progress-msg       ;; Not necessary with global atoms
